PK79231: JRIO MIGRATED INPUT DATASET INCORRECTLY BEING OPENED AS READ/WRITE NOT READ ONLY

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APAR status

Closed as program error.

Error description

when using jrio, if the input file is a migrated dataset, it
will be opened using read/write access instead of read-only
The underlying fopen is passing ab,noseek

Local fix

Problem summary

When the user application performs read operation on a migrated
dataset, JRIO opens the dataset using read/write access instead
of read-only access. This causes the system to insert an
unauthorized access entry into syslog.